Twenty Fourteen: update editor styles to better account for adaptive images in small screens.

Fixes #31934, props iamtakashi.

git-svn-id: https://develop.svn.wordpress.org/trunk@32094 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-content/themes/twentyfourteen/css/editor-style.css

@@ -726,7 +726,7 @@ html .mceContentBody.rtl {
  * 11.0 Media Queries
  */
 
-@media screen and (max-width: 474px) {
+@media screen and (max-width: 494px) {
 	body, img, .wp-caption {
 		max-width: 100%;
 	}